Home / 3,220.21-4,827.95-1,027.67

Finding the Fourth Proportional to 3,220.21, 4,827.95 and 1,027.67

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Solution

The fourth proportional to 3,220.21, 4,827.95 and 1,027.67 is: 1,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.21 : 4,827.95 = 1,027.67 : x
  2. Step 2: Convert to fraction form
    3,220.21/4,827.95 = 1,027.67/x
  3. Step 3: Cross multiply
    3,220.21x = 4,827.95 × 1,027.67
  4. Step 4: Simplify right side
    3,220.21x = 4,961,534.24
  5. Step 5: Solve for x
    x = 4,961,534.24/3,220.21
  6. Step 6: Final answer
    x = 1,540.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.